package operation;

import Book.BookList;

public class ExitOperation implements IOperration {
    @Override
    public void work(BookList bookList) {
        System.out.println("退出系统！");
        //将整个虚拟机里的内容都关掉，内存都释放掉！正常退出程序。
        System.exit(0);
    }
}
